Bing has come up with a new feature that doesn't exist in the market as of date! It now gives Auto suggests based on your past searches. Google also stores your past searches(if you are logged into google) using web history. Yahoo now seems to be the only safe search engine out there which doesn't seem to be storing users past searches!

As per bing offical blog

In fact, 44% of non-navigational search sessions last longer than 1 week!

This move might again stir up the Hornets nest of privacy concerns! Lets wait and watch!

DISCLAIMER: Author works for Yahoo! Search and the opinion displayed in here are his personal views and nothing to do with the official stand of any of the above mentioned companies. All the data mentioned in here are to the best of my personal knowledge. Any discrepancy which might have crept in here is solely due to my own ignorance and I take no responsibility for any usage/misusage of the above mentioned.